HTMLFormElement.reportValidity() - Web API 接口参考 编辑

方法 HTMLFormElement.reportValidity() 返回布尔值，如果form表单的子表单控件满足验证限制条件，则该方法返回 true ，否则返回false。当返回 false 时, 每个不合法的子控件的 invalid 事件将会被触发，并且验证中存在的问题会报告该用户。 

Syntax

HTMLFormElement.reportValidity()

Return value

布尔

Example

document.forms['myform'].addEventListener('invalid', function() {
  // Optional response here
}, false);

document.forms['myform'].addEventListener('submit', function() {
  document.forms['myform'].reportValidity();
}, false);

Specifications

Specification	Status	Comment
HTML Living Standard HTMLFormElement.reportValidity()	Living Standard
HTML 5.1 HTMLFormElement.reportValidity()	Recommendation	Initial definition

Browser compatibility

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The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.